package com.scott.utils;

import com.github.pagehelper.PageInfo;
import org.springframework.beans.BeanUtils;

import java.util.HashMap;
import java.util.Map;

/**
 * 返回值
 * Created by Scott on 2017/4/26.
 */
public class R extends HashMap<String, Object> {
    private static final long serialVersionUID = 1L;

    public R() {
        put("code", 0);
    }

    public static R error() {
        return error(500, "未知异常，请联系管理员");
    }

    public static R error(String msg) {
        return error(500, msg);
    }

    public static R error(int code, String msg) {
        R r = new R();
        r.put("code", code);
        r.put("msg", msg);
        return r;
    }

    public static R ok(String msg) {
        R r = new R();
        r.put("msg", msg);
        return r;
    }

    public static R ok(Map<String, Object> map) {
        R r = new R();
        r.putAll(map);
        return r;
    }

    public static R ok(Object object) {
        R r = new R();
        r.put("data", object);
        if (object instanceof PageInfo) {
            PageInfo pageInfo = (PageInfo) object;
            r.put("total", pageInfo.getTotal());
            r.put("data", pageInfo.getList());
        }
        return r;
    }

    public static R ok() {
        return new R();
    }

    public R put(String key, Object value) {
        super.put(key, value);
        return this;
    }
}
